In a garden, there are 10 rows and 12 columns of mango tree. The distance between the two trees is 2 meters and a distance of one meter is left from all sides of the boundary of the garden, the length of the garden is-
সমাধান
সঠিক উত্তর: Option C
Each row contains 12 plants. There are 11 gapes between the two corner trees (11 x 2) metres and 1 metre on each side is left. Therefore Length = (22 + 2) m = 24 m
